nfsrvstats.h revision 37272
11541Srgrimes/* 222521Sdyson * Copyright (c) 1989, 1993, 1995 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley by 61541Srgrimes * Rick Macklem at The University of Guelph. 71541Srgrimes * 81541Srgrimes * Redistribution and use in source and binary forms, with or without 91541Srgrimes * modification, are permitted provided that the following conditions 101541Srgrimes * are met: 111541Srgrimes * 1. Redistributions of source code must retain the above copyright 121541Srgrimes * notice, this list of conditions and the following disclaimer. 131541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer in the 151541Srgrimes * documentation and/or other materials provided with the distribution. 161541Srgrimes * 3. All advertising materials mentioning features or use of this software 171541Srgrimes * must display the following acknowledgement: 181541Srgrimes * This product includes software developed by the University of 191541Srgrimes * California, Berkeley and its contributors. 201541Srgrimes * 4. Neither the name of the University nor the names of its contributors 211541Srgrimes * may be used to endorse or promote products derived from this software 221541Srgrimes * without specific prior written permission. 231541Srgrimes * 241541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341541Srgrimes * SUCH DAMAGE. 351541Srgrimes * 3622521Sdyson * @(#)nfs.h 8.4 (Berkeley) 5/1/95 3737272Sjmg * $Id: nfs.h,v 1.40 1998/05/31 20:08:51 peter Exp $ 381541Srgrimes */ 391541Srgrimes 402175Spaul#ifndef _NFS_NFS_H_ 412175Spaul#define _NFS_NFS_H_ 422175Spaul 4337272Sjmg#include "opt_nfs.h" 4437272Sjmg 451541Srgrimes/* 461541Srgrimes * Tunable constants for nfs 471541Srgrimes */ 481541Srgrimes 491541Srgrimes#define NFS_MAXIOVEC 34 509336Sdfr#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 519336Sdfr#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 529336Sdfr#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 539336Sdfr#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 549336Sdfr#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 559336Sdfr#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 561541Srgrimes#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 571541Srgrimes#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 581541Srgrimes#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 591541Srgrimes#define NFS_MAXGRPS 16 /* Max. size of groups list */ 601828Sdg#ifndef NFS_MINATTRTIMO 6136176Speter#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 621828Sdg#endif 631828Sdg#ifndef NFS_MAXATTRTIMO 641541Srgrimes#define NFS_MAXATTRTIMO 60 651828Sdg#endif 6636176Speter#ifndef NFS_MINDIRATTRTIMO 6736176Speter#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 6836176Speter#endif 6936176Speter#ifndef NFS_MAXDIRATTRTIMO 7036176Speter#define NFS_MAXDIRATTRTIMO 60 7136176Speter#endif 721541Srgrimes#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 731541Srgrimes#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 749336Sdfr#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 751541Srgrimes#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 761541Srgrimes#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 771541Srgrimes#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 7824378Sbde#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 799336Sdfr#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 809336Sdfr#ifndef NFS_GATHERDELAY 819336Sdfr#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 829336Sdfr#endif 839336Sdfr#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 8424378Sbde#ifdef KERNEL 8524378Sbde#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 8624378Sbde#endif 879336Sdfr 889336Sdfr/* 899336Sdfr * Oddballs 909336Sdfr */ 911541Srgrimes#define NMOD(a) ((a) % nfs_asyncdaemons) 929336Sdfr#define NFS_CMPFH(n, f, s) \ 939336Sdfr ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 949336Sdfr#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 959336Sdfr#define NFS_SRVMAXDATA(n) \ 969336Sdfr (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 979336Sdfr NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 981541Srgrimes 991541Srgrimes/* 1009336Sdfr * XXX 1019336Sdfr * The B_INVAFTERWRITE flag should be set to whatever is required by the 1029336Sdfr * buffer cache code to say "Invalidate the block after it is written back". 1039336Sdfr */ 1049336Sdfr#define B_INVAFTERWRITE B_NOCACHE 1059336Sdfr 1069336Sdfr/* 1079336Sdfr * The IO_METASYNC flag should be implemented for local file systems. 1089336Sdfr * (Until then, it is nothin at all.) 1099336Sdfr */ 1109336Sdfr#ifndef IO_METASYNC 1119336Sdfr#define IO_METASYNC 0 1129336Sdfr#endif 1139336Sdfr 1149336Sdfr/* 1159336Sdfr * Expected allocation sizes for major data structures. If the actual size 1169336Sdfr * of the structure exceeds these sizes, then malloc() will be allocating 1179336Sdfr * almost twice the memory required. This is used in nfs_init() to warn 1189336Sdfr * the sysadmin that the size of a structure should be reduced. 1199336Sdfr * (These sizes are always a power of 2. If the kernel malloc() changes 1209336Sdfr * to one that does not allocate space in powers of 2 size, then this all 1219336Sdfr * becomes bunk!) 1229336Sdfr */ 1239336Sdfr#define NFS_SVCALLOC 256 1249336Sdfr#define NFS_UIDALLOC 128 1259336Sdfr 1269336Sdfr/* 12722521Sdyson * Arguments to mount NFS 12822521Sdyson */ 12922521Sdyson#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 13022521Sdysonstruct nfs_args { 13122521Sdyson int version; /* args structure version number */ 13222521Sdyson struct sockaddr *addr; /* file server address */ 13322521Sdyson int addrlen; /* length of address */ 13422521Sdyson int sotype; /* Socket type */ 13522521Sdyson int proto; /* and Protocol */ 13622521Sdyson u_char *fh; /* File handle to be mounted */ 13722521Sdyson int fhsize; /* Size, in bytes, of fh */ 13822521Sdyson int flags; /* flags */ 13922521Sdyson int wsize; /* write size in bytes */ 14022521Sdyson int rsize; /* read size in bytes */ 14122521Sdyson int readdirsize; /* readdir size in bytes */ 14222521Sdyson int timeo; /* initial timeout in .1 secs */ 14322521Sdyson int retrans; /* times to retry send */ 14422521Sdyson int maxgrouplist; /* Max. size of group list */ 14522521Sdyson int readahead; /* # of blocks to readahead */ 14622521Sdyson int leaseterm; /* Term (sec) of lease */ 14722521Sdyson int deadthresh; /* Retrans threshold */ 14822521Sdyson char *hostname; /* server's name */ 14936176Speter int acregmin; /* cache attrs for reg files min time */ 15036176Speter int acregmax; /* cache attrs for reg files max time */ 15136176Speter int acdirmin; /* cache attrs for dirs min time */ 15236176Speter int acdirmax; /* cache attrs for dirs max time */ 15322521Sdyson}; 15422521Sdyson 15522521Sdyson/* 15622521Sdyson * NFS mount option flags 15722521Sdyson */ 15822521Sdyson#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 15922521Sdyson#define NFSMNT_WSIZE 0x00000002 /* set write size */ 16022521Sdyson#define NFSMNT_RSIZE 0x00000004 /* set read size */ 16122521Sdyson#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 16222521Sdyson#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 16322521Sdyson#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 16422521Sdyson#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 16522521Sdyson#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 16622521Sdyson#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 16722521Sdyson#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 16822521Sdyson#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 16922521Sdyson#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 17022521Sdyson#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 17122521Sdyson#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 17222521Sdyson#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 17322521Sdyson#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 17422521Sdyson#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 17522521Sdyson#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 17636176Speter#define NFSMNT_ACREGMIN 0x00040000 17736176Speter#define NFSMNT_ACREGMAX 0x00080000 17836176Speter#define NFSMNT_ACDIRMIN 0x00100000 17936176Speter#define NFSMNT_ACDIRMAX 0x00200000 18022521Sdyson 18136176Speter#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 18236176Speter#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 18336176Speter#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 18436176Speter#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 18536176Speter#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 18636176Speter#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 18736176Speter#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 18836176Speter#define NFSSTA_WANTSND 0x02000000 /* Want above */ 18936176Speter#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 19036176Speter#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 19136176Speter#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 19236176Speter#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 19336176Speter#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 19436176Speter#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 19536176Speter 19622521Sdyson/* 1971541Srgrimes * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 1981541Srgrimes * should ever try and use it. 1991541Srgrimes */ 2001541Srgrimesstruct nfsd_args { 2011541Srgrimes int sock; /* Socket to serve */ 20222521Sdyson caddr_t name; /* Client addr for connection based sockets */ 2031541Srgrimes int namelen; /* Length of name */ 2041541Srgrimes}; 2051541Srgrimes 2061541Srgrimesstruct nfsd_srvargs { 2071541Srgrimes struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 2081541Srgrimes uid_t nsd_uid; /* Effective uid mapped to cred */ 20936541Speter u_int32_t nsd_haddr; /* Ip address of client */ 2101541Srgrimes struct ucred nsd_cr; /* Cred. uid maps to */ 2111541Srgrimes int nsd_authlen; /* Length of auth string (ret) */ 2129336Sdfr u_char *nsd_authstr; /* Auth string (ret) */ 2139336Sdfr int nsd_verflen; /* and the verfier */ 2149336Sdfr u_char *nsd_verfstr; 2159336Sdfr struct timeval nsd_timestamp; /* timestamp from verifier */ 21636541Speter u_int32_t nsd_ttl; /* credential ttl (sec) */ 2179336Sdfr NFSKERBKEY_T nsd_key; /* Session key */ 2181541Srgrimes}; 2191541Srgrimes 2201541Srgrimesstruct nfsd_cargs { 2211541Srgrimes char *ncd_dirp; /* Mount dir path */ 2221541Srgrimes uid_t ncd_authuid; /* Effective uid */ 2231541Srgrimes int ncd_authtype; /* Type of authenticator */ 2241541Srgrimes int ncd_authlen; /* Length of authenticator string */ 2259336Sdfr u_char *ncd_authstr; /* Authenticator string */ 2269336Sdfr int ncd_verflen; /* and the verifier */ 2279336Sdfr u_char *ncd_verfstr; 2289336Sdfr NFSKERBKEY_T ncd_key; /* Session key */ 2291541Srgrimes}; 2301541Srgrimes 2311541Srgrimes/* 23222521Sdyson * XXX to allow amd to include nfs.h without nfsproto.h 23322521Sdyson */ 23422521Sdyson#ifdef NFS_NPROCS 23522521Sdyson/* 2361541Srgrimes * Stats structure 2371541Srgrimes */ 2381541Srgrimesstruct nfsstats { 2391541Srgrimes int attrcache_hits; 2401541Srgrimes int attrcache_misses; 2411541Srgrimes int lookupcache_hits; 2421541Srgrimes int lookupcache_misses; 2431541Srgrimes int direofcache_hits; 2441541Srgrimes int direofcache_misses; 2451541Srgrimes int biocache_reads; 2461541Srgrimes int read_bios; 2471541Srgrimes int read_physios; 2481541Srgrimes int biocache_writes; 2491541Srgrimes int write_bios; 2501541Srgrimes int write_physios; 2511541Srgrimes int biocache_readlinks; 2521541Srgrimes int readlink_bios; 2531541Srgrimes int biocache_readdirs; 2541541Srgrimes int readdir_bios; 2551541Srgrimes int rpccnt[NFS_NPROCS]; 2561541Srgrimes int rpcretries; 2571541Srgrimes int srvrpccnt[NFS_NPROCS]; 2581541Srgrimes int srvrpc_errs; 2591541Srgrimes int srv_errs; 2601541Srgrimes int rpcrequests; 2611541Srgrimes int rpctimeouts; 2621541Srgrimes int rpcunexpected; 2631541Srgrimes int rpcinvalid; 2641541Srgrimes int srvcache_inproghits; 2651541Srgrimes int srvcache_idemdonehits; 2661541Srgrimes int srvcache_nonidemdonehits; 2671541Srgrimes int srvcache_misses; 2681541Srgrimes int srvnqnfs_leases; 2691541Srgrimes int srvnqnfs_maxleases; 2701541Srgrimes int srvnqnfs_getleases; 2719336Sdfr int srvvop_writes; 2721541Srgrimes}; 27322521Sdyson#endif 2741541Srgrimes 2751541Srgrimes/* 2761541Srgrimes * Flags for nfssvc() system call. 2771541Srgrimes */ 2781541Srgrimes#define NFSSVC_BIOD 0x002 2791541Srgrimes#define NFSSVC_NFSD 0x004 2801541Srgrimes#define NFSSVC_ADDSOCK 0x008 2811541Srgrimes#define NFSSVC_AUTHIN 0x010 2821541Srgrimes#define NFSSVC_GOTAUTH 0x040 2831541Srgrimes#define NFSSVC_AUTHINFAIL 0x080 2841541Srgrimes#define NFSSVC_MNTD 0x100 2851541Srgrimes 2861541Srgrimes/* 2873820Swollman * fs.nfs sysctl(3) identifiers 2883820Swollman */ 2893820Swollman#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 29024330Sguido#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 2913820Swollman 2923820Swollman#define FS_NFS_NAMES { \ 2933820Swollman { 0, 0 }, \ 2943820Swollman { "nfsstats", CTLTYPE_STRUCT }, \ 29524330Sguido { "nfsprivport", CTLTYPE_INT }, \ 2963820Swollman} 2973820Swollman 29822521Sdyson#ifdef KERNEL 2994067Swollman 30030354Sphk#ifdef MALLOC_DECLARE 30130354SphkMALLOC_DECLARE(M_NFSREQ); 30230354SphkMALLOC_DECLARE(M_NFSDIROFF); 30330354SphkMALLOC_DECLARE(M_NFSRVDESC); 30430354SphkMALLOC_DECLARE(M_NFSUID); 30530354SphkMALLOC_DECLARE(M_NQLEASE); 30630354SphkMALLOC_DECLARE(M_NFSD); 30730354SphkMALLOC_DECLARE(M_NFSBIGFH); 30836329SpeterMALLOC_DECLARE(M_NFSHASH); 30930354Sphk#endif 31030354Sphk 31136329Speter#ifdef ZONE_INTERRUPT 31236329Speterextern vm_zone_t nfsmount_zone; 31336329Speter#endif 31436329Speter 3154067Swollmanstruct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 3164067Swollman 31732998Sbde/* 31832998Sbde * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 31932998Sbde * What should be in this set is open to debate, but I believe that since 32032998Sbde * I/O system calls on ufs are never interrupted by signals the set should 32132998Sbde * be minimal. My reasoning is that many current programs that use signals 32232998Sbde * such as SIGALRM will not expect file I/O system calls to be interrupted 32332998Sbde * by them and break. 32432998Sbde */ 3251541Srgrimes#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 3261541Srgrimes sigmask(SIGHUP)|sigmask(SIGQUIT)) 3271541Srgrimes 3281541Srgrimes/* 3291541Srgrimes * Socket errors ignored for connectionless sockets?? 3301541Srgrimes * For now, ignore them all 3311541Srgrimes */ 3321541Srgrimes#define NFSIGNORE_SOERROR(s, e) \ 3331541Srgrimes ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 3341541Srgrimes ((s) & PR_CONNREQUIRED) == 0) 3351541Srgrimes 3361541Srgrimes/* 3371541Srgrimes * Nfs outstanding request list element 3381541Srgrimes */ 3391541Srgrimesstruct nfsreq { 3403664Sphk TAILQ_ENTRY(nfsreq) r_chain; 3411541Srgrimes struct mbuf *r_mreq; 3421541Srgrimes struct mbuf *r_mrep; 3431541Srgrimes struct mbuf *r_md; 3441541Srgrimes caddr_t r_dpos; 3451541Srgrimes struct nfsmount *r_nmp; 3461541Srgrimes struct vnode *r_vp; 34736541Speter u_int32_t r_xid; 3481541Srgrimes int r_flags; /* flags on request, see below */ 3491541Srgrimes int r_retry; /* max retransmission count */ 3501541Srgrimes int r_rexmit; /* current retrans count */ 3511541Srgrimes int r_timer; /* tick counter on reply */ 35226420Sdfr u_int32_t r_procnum; /* NFS procedure number */ 3531541Srgrimes int r_rtt; /* RTT for rpc */ 3541541Srgrimes struct proc *r_procp; /* Proc that did I/O system call */ 3551541Srgrimes}; 3561541Srgrimes 3573664Sphk/* 3583664Sphk * Queue head for nfsreq's 3593664Sphk */ 3609759Sbdeextern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 3613664Sphk 3621541Srgrimes/* Flag values for r_flags */ 3631541Srgrimes#define R_TIMING 0x01 /* timing request (in mntp) */ 3641541Srgrimes#define R_SENT 0x02 /* request has been sent */ 3651541Srgrimes#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 3661541Srgrimes#define R_INTR 0x08 /* intr mnt, signal pending */ 3671541Srgrimes#define R_SOCKERR 0x10 /* Fatal error on socket */ 3681541Srgrimes#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 3691541Srgrimes#define R_MUSTRESEND 0x40 /* Must resend request */ 3701541Srgrimes#define R_GETONEREP 0x80 /* Probe for one reply only */ 3711541Srgrimes 3721541Srgrimes/* 3731541Srgrimes * A list of nfssvc_sock structures is maintained with all the sockets 3741541Srgrimes * that require service by the nfsd. 3751541Srgrimes * The nfsuid structs hang off of the nfssvc_sock structs in both lru 3761541Srgrimes * and uid hash lists. 3771541Srgrimes */ 3789336Sdfr#ifndef NFS_UIDHASHSIZ 3799336Sdfr#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 3809336Sdfr#endif 3813664Sphk#define NUIDHASH(sock, uid) \ 3829336Sdfr (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 3839336Sdfr#ifndef NFS_WDELAYHASHSIZ 3849336Sdfr#define NFS_WDELAYHASHSIZ 16 /* and with this */ 3859336Sdfr#endif 3869336Sdfr#define NWDELAYHASH(sock, f) \ 38736541Speter (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 3889336Sdfr#ifndef NFS_MUIDHASHSIZ 38919449Sdfr#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 3909336Sdfr#endif 3919336Sdfr#define NMUIDHASH(nmp, uid) \ 3929336Sdfr (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 3939336Sdfr#define NFSNOHASH(fhsum) \ 3949336Sdfr (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 3951541Srgrimes 39636503Speter/* 39736503Speter * Network address hash list element 39836503Speter */ 39936503Speterunion nethostaddr { 40036541Speter u_int32_t had_inetaddr; 40136503Speter struct sockaddr *had_nam; 40236503Speter}; 40336503Speter 4041541Srgrimesstruct nfsuid { 4053664Sphk TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 4063664Sphk LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 4071541Srgrimes int nu_flag; /* Flags */ 4081541Srgrimes union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 4091541Srgrimes struct ucred nu_cr; /* Cred uid mapped to */ 4109336Sdfr int nu_expire; /* Expiry time (sec) */ 4119336Sdfr struct timeval nu_timestamp; /* Kerb. timestamp */ 41236541Speter u_int32_t nu_nickname; /* Nickname on server */ 4139336Sdfr NFSKERBKEY_T nu_key; /* and session key */ 4141541Srgrimes}; 4151541Srgrimes 4161541Srgrimes#define nu_inetaddr nu_haddr.had_inetaddr 4171541Srgrimes#define nu_nam nu_haddr.had_nam 4181541Srgrimes/* Bits for nu_flag */ 4191541Srgrimes#define NU_INETADDR 0x1 4209336Sdfr#define NU_NAM 0x2 4219336Sdfr#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 4221541Srgrimes 42325781Sdfrstruct nfsrv_rec { 42425781Sdfr STAILQ_ENTRY(nfsrv_rec) nr_link; 42528270Swollman struct sockaddr *nr_address; 42625781Sdfr struct mbuf *nr_packet; 42725781Sdfr}; 42825781Sdfr 4291541Srgrimesstruct nfssvc_sock { 4303664Sphk TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 4313664Sphk TAILQ_HEAD(, nfsuid) ns_uidlruhead; 4321541Srgrimes struct file *ns_fp; 4331541Srgrimes struct socket *ns_so; 43428270Swollman struct sockaddr *ns_nam; 4351541Srgrimes struct mbuf *ns_raw; 4361541Srgrimes struct mbuf *ns_rawend; 43725781Sdfr STAILQ_HEAD(, nfsrv_rec) ns_rec; 4389336Sdfr struct mbuf *ns_frag; 4399336Sdfr int ns_flag; 4409336Sdfr int ns_solock; 4419336Sdfr int ns_cc; 4429336Sdfr int ns_reclen; 4431541Srgrimes int ns_numuids; 44436541Speter u_int32_t ns_sref; 4459336Sdfr LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 4469336Sdfr LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 4479336Sdfr LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 4481541Srgrimes}; 4491541Srgrimes 4501541Srgrimes/* Bits for "ns_flag" */ 4511541Srgrimes#define SLP_VALID 0x01 4521541Srgrimes#define SLP_DOREC 0x02 4531541Srgrimes#define SLP_NEEDQ 0x04 4541541Srgrimes#define SLP_DISCONN 0x08 4551541Srgrimes#define SLP_GETSTREAM 0x10 4569336Sdfr#define SLP_LASTFRAG 0x20 4571541Srgrimes#define SLP_ALLFLAGS 0xff 4581541Srgrimes 4599759Sbdeextern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 4609759Sbdeextern int nfssvc_sockhead_flag; 4613664Sphk#define SLP_INIT 0x01 4623664Sphk#define SLP_WANTINIT 0x02 4633664Sphk 4641541Srgrimes/* 4651541Srgrimes * One of these structures is allocated for each nfsd. 4661541Srgrimes */ 4671541Srgrimesstruct nfsd { 4689336Sdfr TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 4699336Sdfr int nfsd_flag; /* NFSD_ flags */ 4709336Sdfr struct nfssvc_sock *nfsd_slp; /* Current socket */ 4719336Sdfr int nfsd_authlen; /* Authenticator len */ 4729336Sdfr u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 4739336Sdfr int nfsd_verflen; /* and the Verifier */ 4749336Sdfr u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 4759336Sdfr struct proc *nfsd_procp; /* Proc ptr */ 4769336Sdfr struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 4771541Srgrimes}; 4781541Srgrimes 4799336Sdfr/* Bits for "nfsd_flag" */ 4801541Srgrimes#define NFSD_WAITING 0x01 4813664Sphk#define NFSD_REQINPROG 0x02 4823664Sphk#define NFSD_NEEDAUTH 0x04 4833664Sphk#define NFSD_AUTHFAIL 0x08 4843305Sphk 4859336Sdfr/* 4869336Sdfr * This structure is used by the server for describing each request. 4879336Sdfr * Some fields are used only when write request gathering is performed. 4889336Sdfr */ 4899336Sdfrstruct nfsrv_descript { 4909336Sdfr u_quad_t nd_time; /* Write deadline (usec) */ 4919336Sdfr off_t nd_off; /* Start byte offset */ 4929336Sdfr off_t nd_eoff; /* and end byte offset */ 4939336Sdfr LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 4949336Sdfr LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 4959336Sdfr LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 4969336Sdfr struct mbuf *nd_mrep; /* Request mbuf list */ 4979336Sdfr struct mbuf *nd_md; /* Current dissect mbuf */ 4989336Sdfr struct mbuf *nd_mreq; /* Reply mbuf list */ 49928270Swollman struct sockaddr *nd_nam; /* and socket addr */ 50028270Swollman struct sockaddr *nd_nam2; /* return socket addr */ 5019336Sdfr caddr_t nd_dpos; /* Current dissect pos */ 50226420Sdfr u_int32_t nd_procnum; /* RPC # */ 5039336Sdfr int nd_stable; /* storage type */ 5049336Sdfr int nd_flag; /* nd_flag */ 5059336Sdfr int nd_len; /* Length of this write */ 5069336Sdfr int nd_repstat; /* Reply status */ 50736541Speter u_int32_t nd_retxid; /* Reply xid */ 50836541Speter u_int32_t nd_duration; /* Lease duration */ 5099336Sdfr struct timeval nd_starttime; /* Time RPC initiated */ 5109336Sdfr fhandle_t nd_fh; /* File handle */ 5119336Sdfr struct ucred nd_cr; /* Credentials */ 5129336Sdfr}; 5139336Sdfr 5149336Sdfr/* Bits for "nd_flag" */ 5159336Sdfr#define ND_READ LEASE_READ 5169336Sdfr#define ND_WRITE LEASE_WRITE 5179336Sdfr#define ND_CHECK 0x04 5189336Sdfr#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 5199336Sdfr#define ND_NFSV3 0x08 5209336Sdfr#define ND_NQNFS 0x10 5219336Sdfr#define ND_KERBNICK 0x20 5229336Sdfr#define ND_KERBFULL 0x40 5239336Sdfr#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 5249336Sdfr 5259759Sbdeextern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 5269759Sbdeextern int nfsd_head_flag; 5273664Sphk#define NFSD_CHECKSLP 0x01 5283664Sphk 5299336Sdfr/* 5309336Sdfr * These macros compare nfsrv_descript structures. 5319336Sdfr */ 5329336Sdfr#define NFSW_CONTIG(o, n) \ 5339336Sdfr ((o)->nd_eoff >= (n)->nd_off && \ 5349336Sdfr !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 5359336Sdfr 5369336Sdfr#define NFSW_SAMECRED(o, n) \ 5379336Sdfr (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 5389336Sdfr !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 5399336Sdfr sizeof (struct ucred))) 5409336Sdfr 54127446Sdfr/* 54227446Sdfr * Defines for WebNFS 54327446Sdfr */ 54427446Sdfr 54527446Sdfr#define WEBNFS_ESC_CHAR '%' 54627446Sdfr#define WEBNFS_SPECCHAR_START 0x80 54727446Sdfr 54827446Sdfr#define WEBNFS_NATIVE_CHAR 0x80 54927446Sdfr/* 55027446Sdfr * .. 55127446Sdfr * Possibly more here in the future. 55227446Sdfr */ 55327446Sdfr 55427446Sdfr/* 55527446Sdfr * Macro for converting escape characters in WebNFS pathnames. 55627446Sdfr * Should really be in libkern. 55727446Sdfr */ 55827446Sdfr 55927446Sdfr#define HEXTOC(c) \ 56027446Sdfr ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 56127446Sdfr ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 56227446Sdfr#define HEXSTRTOI(p) \ 56327446Sdfr ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 56427446Sdfr 56525663Sdfr#ifdef NFS_DEBUG 56622521Sdyson 56725663Sdfrextern int nfs_debug; 56825663Sdfr#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 56925663Sdfr#define NFS_DEBUG_WG 2 /* server write gathering */ 57025663Sdfr#define NFS_DEBUG_RC 4 /* server request caching */ 57125663Sdfr 57225663Sdfr#define NFS_DPF(cat, args) \ 57325663Sdfr do { \ 57425663Sdfr if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 57525663Sdfr } while (0) 57625663Sdfr 57725663Sdfr#else 57825663Sdfr 57925663Sdfr#define NFS_DPF(cat, args) 58025663Sdfr 58125663Sdfr#endif 58225663Sdfr 58334961Sphku_quad_t nfs_curusec __P((void)); 58422521Sdysonint nfs_init __P((struct vfsconf *vfsp)); 5853305Sphkint nfs_reply __P((struct nfsreq *)); 5869336Sdfrint nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 58728270Swollmanint nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 58828270Swollman struct nfsreq *)); 58928270Swollmanint nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 59028270Swollman int, int, u_quad_t *, struct mbuf **, struct mbuf **, 59128270Swollman caddr_t *)); 59236176Speterint nfs_sndlock __P((int *, int *, struct nfsreq *)); 59336176Spetervoid nfs_sndunlock __P((int *, int *)); 59428270Swollmanint nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 59528270Swollmanint nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 59628270Swollman int)); 59728270Swollmanint nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 59828270Swollmanint nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 59928270Swollman int *)); 60028270Swollmanint nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 60128270Swollmanint nfs_asyncio __P((struct buf *, struct ucred *)); 60228270Swollmanint nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 60328270Swollmanint nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 60428270Swollmanint nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 60528270Swollmanint nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 60628270Swollmanint nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 60728270Swollmanvoid nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 60828270Swollman struct nfs_fattr *)); 60928270Swollmanvoid nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 61028270Swollman struct vattr *, struct mbuf **, char **)); 61128270Swollmanvoid nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 61228270Swollman struct mbuf **, char **)); 61328270Swollmanint netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 61428270Swollmanint nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 61528270Swollman struct ucred *, struct mbuf **, struct mbuf **, 61628270Swollman caddr_t *)); 61728270Swollmanint nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 61828270Swollman struct vattr *)); 61928270Swollmanint nfs_namei __P((struct nameidata *, fhandle_t *, int, 62028270Swollman struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 62128270Swollman caddr_t *, struct vnode **, struct proc *, int, int)); 62228270Swollmanvoid nfsm_adj __P((struct mbuf *, int, int)); 62328270Swollmanint nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 6243305Sphkvoid nfsrv_initcache __P((void)); 62528270Swollmanint nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 62628270Swollman char **, int *, char *, int *, NFSKERBKEY_T)); 62728270Swollmanint nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 62828270Swollman int *, char *, int)); 62928270Swollmanint nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 63028270Swollman NFSKERBKEY_T, struct mbuf **, char **, 63128270Swollman struct mbuf *)); 63228270Swollmanint nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 6333305Sphkvoid nfs_nhinit __P((void)); 6343305Sphkvoid nfs_timer __P((void*)); 63528270Swollmanu_long nfs_hash __P((nfsfh_t *, int)); 63628270Swollmanint nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 63728270Swollman struct nfsrv_descript **)); 63828270Swollmanint nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 63928270Swollman struct mbuf **)); 64028270Swollmanvoid nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 64122521Sdysonvoid nfsrv_cleancache __P((void)); 64228270Swollmanint nfs_connect __P((struct nfsmount *, struct nfsreq *)); 64322521Sdysonvoid nfs_disconnect __P((struct nfsmount *)); 64436540Spetervoid nfs_safedisconnect __P((struct nfsmount *)); 64528270Swollmanint nfs_getattrcache __P((struct vnode *, struct vattr *)); 64636511Speterint nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 64728270Swollmanint nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, 64828270Swollman int)); 64928270Swollmanint nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 6503305Sphkvoid nfsrv_init __P((int)); 6519336Sdfrvoid nfs_clearcommit __P((struct mount *)); 6529336Sdfrint nfsrv_errmap __P((struct nfsrv_descript *, int)); 65328270Swollmanvoid nfsrvw_sort __P((gid_t *, int)); 65428270Swollmanvoid nfsrv_setcred __P((struct ucred *, struct ucred *)); 65528270Swollmanint nfs_writebp __P((struct buf *, int)); 65628270Swollmanint nfsrv_object_create __P((struct vnode *)); 65712588Sbdevoid nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 6589336Sdfrint nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 6599336Sdfr struct proc *, struct mbuf **)); 6609336Sdfrint nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 6619336Sdfr struct proc *p)); 6626361Sphk 66328270Swollmanint nfsrv3_access __P((struct nfsrv_descript *nfsd, 66428270Swollman struct nfssvc_sock *slp, 66512588Sbde struct proc *procp, struct mbuf **mrq)); 66612588Sbdeint nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 66712588Sbde struct proc *procp, struct mbuf **mrq)); 66812588Sbdeint nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 66912588Sbde struct proc *procp, struct mbuf **mrq)); 67028270Swollmanint nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 67128270Swollman struct nfssvc_sock *, struct sockaddr *, int *, 67228270Swollman int, int)); 67327446Sdfrint nfsrv_setpublicfs __P((struct mount *, struct netexport *, 67427446Sdfr struct export_args *)); 67527446Sdfrint nfs_ispublicfh __P((fhandle_t *)); 67612588Sbdeint nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 67712588Sbde struct proc *procp, struct mbuf **mrq)); 67812588Sbdeint nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 67912588Sbde struct proc *procp, struct mbuf **mrq)); 68012588Sbdeint nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68112588Sbde struct proc *procp, struct mbuf **mrq)); 68212588Sbdeint nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68312588Sbde struct proc *procp, struct mbuf **mrq)); 68412588Sbdeint nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68512588Sbde struct proc *procp, struct mbuf **mrq)); 68612588Sbdeint nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68712588Sbde struct proc *procp, struct mbuf **mrq)); 68812588Sbdeint nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68912588Sbde struct proc *procp, struct mbuf **mrq)); 69012588Sbdeint nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 69112588Sbde struct proc *procp, struct mbuf **mrq)); 69212588Sbdeint nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 69312588Sbde struct nfssvc_sock *slp, struct proc *procp, 69412588Sbde struct mbuf **mrq)); 69512588Sbdeint nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 69612588Sbde struct proc *procp, struct mbuf **mrq)); 69728270Swollmanint nfsrv_readdir __P((struct nfsrv_descript *nfsd, 69828270Swollman struct nfssvc_sock *slp, 69912588Sbde struct proc *procp, struct mbuf **mrq)); 70012588Sbdeint nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 70112588Sbde struct nfssvc_sock *slp, struct proc *procp, 70212588Sbde struct mbuf **mrq)); 70312588Sbdeint nfsrv_readlink __P((struct nfsrv_descript *nfsd, 70412588Sbde struct nfssvc_sock *slp, struct proc *procp, 70512588Sbde struct mbuf **mrq)); 70612588Sbdeint nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 70712588Sbde struct proc *procp, struct mbuf **mrq)); 70812588Sbdeint nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 70912588Sbde struct proc *procp, struct mbuf **mrq)); 71012588Sbdeint nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 71112588Sbde struct proc *procp, struct mbuf **mrq)); 71228270Swollmanint nfsrv_setattr __P((struct nfsrv_descript *nfsd, 71328270Swollman struct nfssvc_sock *slp, 71412588Sbde struct proc *procp, struct mbuf **mrq)); 71528270Swollmanint nfsrv_statfs __P((struct nfsrv_descript *nfsd, 71628270Swollman struct nfssvc_sock *slp, 71712588Sbde struct proc *procp, struct mbuf **mrq)); 71828270Swollmanint nfsrv_symlink __P((struct nfsrv_descript *nfsd, 71928270Swollman struct nfssvc_sock *slp, 72012588Sbde struct proc *procp, struct mbuf **mrq)); 72112588Sbdeint nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 72212588Sbde struct proc *procp, struct mbuf **mrq)); 72322521Sdysonvoid nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 72422521Sdysonvoid nfsrv_slpderef __P((struct nfssvc_sock *slp)); 7251541Srgrimes#endif /* KERNEL */ 7262175Spaul 7272175Spaul#endif 728